Today's top fuel dragsters take off with more force than the space shuttle.
120
Jupiter's moon Ganymede, is larger than the planet Mercury!
149
Sound doesn't travel in space.
255
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
Jupiter is bigger than all the other planets combined.
254
More than 20 million meteoroids enter Earth's atmosphere every day.
139
The Earth gets 100 tons heavier every day due to falling space dust.
673